1. Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
2. Medical Science Research Institute, Seoul National University Bundang Hospital, Seongnam, Korea
3. Department of Translational Medicine, College of Medicine, Seoul National University, Seoul, Korea
4. Daejeon Rheumatoid & Degenerative Arthritis Center, Chungnam National University Hospital, Daejeon, Korea
5. Department of Internal Medicine, Medical Research Institute, Seoul National University College of Medicine, Seoul, Korea
6. WCU Department of Molecular Medicine and Biopharmaceutical Sciences, Medical Research Institute, Seoul National University College of Medicine, Seoul, Korea